4Yerdel MA Gunson B,Mirza D,et al Portal vein thrombosis in adults undergoiug Iiver transplamation:risk factors,acreening management and outcome[J].Transplantation.2000,69(9):1873-1881.
5Fujita F,Lyass S.Otsuka K,et al.Portal vein thrombosis following splenectomy:indentification of riak factors[J].Am Surg,2003,69(11):951.
7Yang MT.Chen HS,Lee HC,et al.Risk factors and survival of early bleeding after esophageal variceal ligation[J].Hepatogastroenterology,2007,54(78):1705-1709.